54600554621 has 2 divisors, whose sum is σ = 54600554622. Its totient is φ = 54600554620.

The previous prime is 54600554557. The next prime is 54600554653. The reversal of 54600554621 is 12645500645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52603716025 + 1996838596 = 229355^2 + 44686^2 .

It is a cyclic number.

It is not a de Polignac number, because 54600554621 - 2⁶ = 54600554557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54600554681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27300277310 + 27300277311.

It is an arithmetic number, because the mean of its divisors is an integer number (27300277311).

Almost surely, 2^54600554621 is an apocalyptic number.

It is an amenable number.

54600554621 is a deficient number, since it is larger than the sum of its proper divisors (1).

54600554621 is an equidigital number, since it uses as much as digits as its factorization.

54600554621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 54600554621 in words is "fifty-four billion, six hundred million, five hundred fifty-four thousand, six hundred twenty-one".